Fines adsorption on nanoparticle-coated surface

Xianglei Zheng, Francois Perreault, Jaewon Jang

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Fluid flow through porous media is inherently associated with the detachment and migration of fine particles. The migration of fine particles and ensuing clogging is the main reason of flow rate decrease in porous media. Nanoparticle coating can be a promising method to prevent fines’ detachment and migration by changing electrical surface forces between the pore wall surface and the fine particles. In this study, the attraction and adhesion forces of the nanoparticle-coated surface are measured by atomic force microscope. The effect of the nanoparticle coating on the fines adsorption efficiency is then investigated. The results show that there is an increase in the adhesion force on the nanoparticle-coated surface and the significant improvement of the fines adsorption capacity by the nanoparticle coating. The research results are relevant to other research areas whenever migrating fines cause engineering problems.

Original languageEnglish (US)
Pages (from-to)1-8
Number of pages8
JournalActa Geotechnica
DOIs
StateAccepted/In press - Feb 23 2017

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Nanoparticles
adsorption
Adsorption
Coatings
coating
Porous materials
Adhesion
adhesion
porous medium
Flow of fluids
Microscopes
Flow rate
nanoparticle
fluid flow
engineering
particle

Keywords

  • Adhesion
  • Attraction
  • Clogging
  • Fines adsorption
  • Fines migration
  • Nanoparticle coating

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Earth and Planetary Sciences (miscellaneous)

Cite this

Fines adsorption on nanoparticle-coated surface. / Zheng, Xianglei; Perreault, Francois; Jang, Jaewon.

In: Acta Geotechnica, 23.02.2017, p. 1-8.

Research output: Contribution to journalArticle

Zheng, Xianglei ; Perreault, Francois ; Jang, Jaewon. / Fines adsorption on nanoparticle-coated surface. In: Acta Geotechnica. 2017 ; pp. 1-8.
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